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european academy of wind energyeawe
TORQUE 2016Munich, Germany, 5-7 October 2016
Conference Booklet
2
Content
Welcome Message from the Conference Chair 6
Committees 8Technical Organizing Team �������������������������������������������������������������������������������� 8Local Organizing Committee ������������������������������������������������������������������������������ 8Scientific Committee ������������������������������������������������������������������������������������������ 9
Sessions 10Topics �������������������������������������������������������������������������������������������������������������� 10Session Editors ������������������������������������������������������������������������������������������������ 10
Sponsors 11
General Information 12Wi-Fi �����������������������������������������������������������������������������������������������������������������12Conference App ������������������������������������������������������������������������������������������������12Conference Website ������������������������������������������������������������������������������������������12Conference Proceedings �����������������������������������������������������������������������������������12Best Poster Awards �������������������������������������������������������������������������������������������13Certificate of Attendance ����������������������������������������������������������������������������������13Terms and Conditions ���������������������������������������������������������������������������������������13Registration Hours & Fees ���������������������������������������������������������������������������������13
Transportation 14
Instructions for Presenting Authors 16Oral Presentations ������������������������������������������������������������������������������������������� 16Poster Presentations �����������������������������������������������������������������������������������������17
Plenary Sessions 18Opening Ceremony �������������������������������������������������������������������������������������������18Plenary Lecture by Dr� R� Thresher ��������������������������������������������������������������������18Plenary Roundtable “The Future Needs of Wind Energy Scientific Research” ���19Poster Session 1 ���������������������������������������������������������������������������������������������� 20Poster Session 2 ���������������������������������������������������������������������������������������������� 20
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Social Program 22Welcome Cocktail at the Faculty Club of TUM IAS ������������������������������������������� 22Historical Evening at Flugwerft Schleißheim ����������������������������������������������������� 22Dinner on Rails: A Private Tram Tour of Munich ������������������������������������������������ 23Bavarian Banquet at the Historical Hofbräuhaus München ������������������������������� 23
Oral SessionsWednesday
G� Modeling and Simulation Technology 1 ����������������������������������������������������������� 26B� Wind, Wakes, Turbulence and Wind Farms 1 ���������������������������������������������������� 27I. New Concepts and Configurations ������������������������������������������������������������������� 28G� Modeling and Simulation Technology 2 ����������������������������������������������������������� 30B� Wind, Wakes, Turbulence and Wind Farms 2 ���������������������������������������������������� 31H� Offshore Wind Energy 1 �������������������������������������������������������������������������������� 32G� Modeling and Simulation Technology 3 ����������������������������������������������������������� 34B� Wind, Wakes, Turbulence and Wind Farms 3 ���������������������������������������������������� 35H� Offshore Wind Energy 2 �������������������������������������������������������������������������������� 36
Oral SessionsThursday
G� Modeling and Simulation Technology 4 ����������������������������������������������������������� 38B� Wind, Wakes, Turbulence and Wind Farms 4 ���������������������������������������������������� 39D� Control and Supporting Technologies 1 ����������������������������������������������������������� 40F� Measurement, Monitoring and Experimental Techniques 1 ����������������������������������41A� Aerodynamics and Noise 1 ���������������������������������������������������������������������������� 42B� Wind, Wakes, Turbulence and Wind Farms 5 ���������������������������������������������������� 43D� Control and Supporting Technologies 2 ����������������������������������������������������������� 44F� Measurement, Monitoring and Experimental Techniques 2 ��������������������������������� 45A� Aerodynamics and Noise 2 ���������������������������������������������������������������������������� 46B� Wind, Wakes, Turbulence and Wind Farms 6 ���������������������������������������������������� 47D� Control and Supporting Technologies 3 ����������������������������������������������������������� 48J� Drive Trains, Generator Technology and Grids �������������������������������������������������� 49
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Oral SessionsFriday
A� Aerodynamics and Noise 3 ���������������������������������������������������������������������������� 52C� Aeroservoelasticity, Loads, Structures and Materials 1 �������������������������������������� 53E� Design and Systems Engineering 1 ����������������������������������������������������������������� 54A� Aerodynamics and Noise 4 - Special AVATAR Session ��������������������������������������� 56C� Aeroservoelasticity, Loads, Structures and Materials 2 �������������������������������������� 57E� Design and Systems Engineering 2 ����������������������������������������������������������������� 58
Poster Session 1Wednesday
A� Aerodynamics and Noise ������������������������������������������������������������������������������ 60C� Aeroservoelasticity, Loads, Structures and Materials ���������������������������������������� 66E� Design and Systems Engineering ������������������������������������������������������������������� 68G� Modeling and Simulation Technology ������������������������������������������������������������� 69I. New Concepts and Configurations ������������������������������������������������������������������� 72
Poster Session 2Thursday
B� Wind, Wakes, Turbulence and Wind Farms �������������������������������������������������������74D� Control and Supporting Technologies ������������������������������������������������������������� 79F� Measurement, Monitoring and Experimental Techniques ������������������������������������ 82H� Offshore Wind Energy ���������������������������������������������������������������������������������� 85J� Drive Trains, Generator Technology and Grids �������������������������������������������������� 87
IndexIndex of Presenting Authors ������������������������������������������������������������������������������ 90
Content
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On behalf of the TORQUE 2016 Organizing Committee, I am honored and delighted to welcome you to the 2016 edition of the Science of Making Torque from Wind Conference�
The European Academy of Wind Energy (EAWE) first organized TORQUE in 2004 in Delft. That initiative gave a fundamental stimulus to the birth of a new scientific community, highly focused and specifically dedicated to wind energy science. After the very successful events in Copenhagen (2007), Crete (2010), Oldenburg (2012) and Copenhagen again (2014), TORQUE has become the main scientific conference series in wind energy worldwide� A vibrant and very active international community comes to TORQUE to hear about new progress, to exchange ideas and ultimately to shape new directions where research will be going in the future� TORQUE is also a place where academia meets industry, creating that crucial collaboration that has allowed wind energy to become the leader among renewables and one of the key players in de-carbonization�
TORQUE 2016 has been organized by the Technical University of Munich (TUM) following in the footsteps of the previous editions� We have an extremely interesting technical program, with 142 oral presentations and 167 posters� All papers have been grouped in ten thematic sessions� The program is enriched by a plenary historical talk given by one of the pioneers of wind energy in the USA, and by a plenary roundtable where leaders from industry and academia will discuss the future needs of scientific research in wind energy� Social events have been organized to let you relax while enjoying Munich and the Bavarian hospitality, providing at the same time additional opportunities for networking with your fellow wind energy colleagues� We sincerely hope that you will enjoy the conference as much as we enjoyed organizing it�
Dear Colleagues,
Welcome Message from the Conference Chair
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TORQUE has been made possible only by the dedication of a large number of indi-viduals� In particular, I wish to recognize the work of the Session Editors, who have lead the organization of the ten thematic sessions� In addition, over 150 reviewers helped ensure the quality of the papers� The Technical Organizing Committee has done a fantastic job and has worked hard on all organizational aspects of the con-ference� The TUM Local Organizing Committee and the whole TUM community have supported us with enthusiasm in the initiative of bringing TORQUE to Munich� Finally, GE Global Research, the German Research Foundation (DFG) and EAWE have sup-ported the conference financially, helping us limit the registration fees. Thank you to all who have contributed to TORQUE 2016, the conference could not have been organized without you�
Welcome to Munich and enjoy TORQUE 2016!
Carlo L� Bottasso Conference Chair of TORQUE 2016
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Local Organizing Committee
�N� Adams
�K�-U� Bletzinger
�C�L� Bottasso
�K� Drechsler
�C� Große
� T� Hamacher
�D� Rixen
� S� Schöbel-Rutschmann
Committees
Technical Organizing Team
� P� Bortolotti
�C�L� Bottasso
�W� Lopens
� E� Matzner
� J� Schreiber
�R� Weber
�R� Wein
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Scientific Committee
(France)(USA)
(Denmark)(UK)
(USA)(Greece)
(Germany)(Switzerland)
(Italy)(Germany)
(USA)(The Netherlands)
(USA)(Denmark)(Sweden)
(USA)(Germany)
(Korea)(UK)
(USA)(Denmark)
� S� Aubrun �R�J� Barthelmie � F� Blaabjerg � E� Bossanyi* � L� Castillo � T� Chaviaropoulos* � P�W� Cheng* �N� Chokani � A� Croce �R� De Doncker* �K� Dykes* � P� Eecen �D.T. Griffith* �M�H� Hansen* � S� Ivanell* � J� Jonkman* �M� Kühn* � S� Lee �W�E� Leithead � S� Leonardi � P�H� Madsen
� J� Mann* � J�J� Melero � J� Meyers* �M� Muskulus* � A� Natarajan* � I� Paek � J� Peinke* � F� Porté-Agel* � F� Rasmussen � P� Schaumann* � S� Schreck � J� Sørensen* � F� Sotiropoulos �O� Uzol �G� van Bussel �G� van Kuik* � J�-W� van Wingerden* � P� Veers � S� Voutsinas � S� Watson
(*) Session Editors
(Denmark)(Spain)
(Belgium)(Norway)
(Denmark)(Korea)
(Germany)(Switzerland)
(Denmark)(Germany)
(USA)(Denmark)
(USA)(Turkey)
(The Netherlands)(The Netherlands)(The Netherlands)
(USA)(Greece)
(UK)
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Sessions
� A� Aerodynamics and Noise
�B� Wind, Wakes, Turbulence and Wind Farms
�C� Aeroservoelasticity, Loads, Structures and Materials
�D� Control and Supporting Technologies
� E� Design and Systems Engineering
� F� Measurement, Monitoring and Experimental Techniques
�G� Modeling and Simulation Technology
�H� Offshore Wind Energy
� I. New Concepts and Configurations
� J� Drive Trains, Generator Technology and Grids
J� Sørensen (DTU) S� Ivanell (Uppsala University)
J� Meyers (KU Leuven) J� Peinke (IWES Fraunhofer)
G� van Kuik (TU Delft) M�H� Hansen (DTU)
J�-W� van Wingerden (TU Delft) E� Bossanyi (DNV GL)
K� Dykes (NREL) T� Chaviaropoulos (NTUA)
M� Kühn (ForWind-OL) J� Mann (DTU)
F� Porté-Agel (EPFL) J� Jonkman (NREL)
M� Muskulus (NTNU) P� Schaumann (ForWind-LUH) P�W� Cheng (Universität Stuttgart) D.T. Griffith (Sandia)
R� De Doncker (RWTH Aachen) A� Natarajan (DTU)
Session EditorsTopics
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Sponsors
european academy of wind energyeawe
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General Information
Wi-FiWi-Fi connection is available everywhere at the venue�
■ Eduroam: please use your eduroam username & password ■ Conference Wi-Fi: SSID: mwn-events
Username: TORQUE2016 Password: windenergy
Scan this QR code to easily set up the conference Wi-Fi:or visit https://www�lrz�de/wlan-en� Access to this site isavailable via the open network “lrz”.
Conference AppAccess the program and all necessary conference information through your smartphone� Just scan the following QR code or go directly to http://m�torque2016�org�
You need the Conference App to vote for the Best Poster Awards!
Conference WebsiteThe conference web site is available at this link: http://www�torque2016�org�
Conference ProceedingsThe conference proceedings are published by IOP in the open-access Journal of Physics: Conference Series (JPCS)� The proceedings can be accessed at this link: http://iopscience�iop�org/1742-6596/753�
Special Issue in Wind Energy Science (WES)� We plan a special issue with papers from TORQUE 2016, to be published in the new interactive open-access journal of EAWE� Prospective authors should prepare an expanded version of their TORQUE paper, indicatively containing 30-40% additional original material, and submit it by 30 November 2016 to submissions@torque2016�org� The journal Editors in con-sultation with the TORQUE 2016 Session Organizers will select a maximum of 15 papers, for which EAWE will cover the open-access publication costs� All submitted papers will be peer-reviewed according to standard WES policy (http://www�wind-energy-science�net)� For inquiries, please write to submissions@torque2016�org�
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Certificate of AttendanceIf you need a certificate of attendance, please email us at info@torque2016�org�
Terms and ConditionsTerms and conditions for the participation to the conference are available on the conference website�
Registration Hours & Fees
■ Delegate ■ Student ■ Accompanying Person
Note: on-site payment by Visa or Mastercard only� Your credit card should be enabled for online payments�
■ Tuesday, ■ Wednesday,
4 October, 5 October,
14:00 - 19:30 07:30 - 18:00
580 € 300 € 220 €
Fees:
Best Poster AwardsThe most voted posters will be recognized with the “TORQUE 2016 Best Poster Award” during the conference banquet on Thursday. You can vote for your preferred posters with the Conference App� We need your votes!
How to vote: open the Conference App, choose a poster session, then choose a poster and click on “Assess contribution”. The three top scoring posters will be selected for the award�
Please mute your phone during sessions!
Registration desk opening hours:
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Transportation
How do I reach TORQUE?From the city center the easiest way to get to the Campus Garching is by metro� Take the U-Bahn U6 in direction “Garching Forschungszentrum” and get off at the last stop� From the airport take the S-Bahn S1 to “Neufahrn”, and from there take bus 690 in direction Garching Forschungszentrum� Otherwise, take the S-Bahn S8 to “Ismaning” and then take bus 230. The estimated travel time is about 50 minutes for both routes�
Where do I get tickets and which one should I buy?Tickets are available online or at ticket machines located at every metro station� As a general rule, day tickets and group tickets are the option to go for�
On a day when you travel to or from the airport, we recommend buying a day ticket for the whole network� You can buy either a single ticket (“Single-Tageskarte Gesamt -netz”), which costs 12,40 € for one person, or a group ticket (“Gruppen-Tageskarte Gesamtnetz”), which costs 23.20 € and is valid for up to 5 people.
On days when you do not travel to or from the airport, you should buy a day ticket with a smaller area of validity� This depends on where your accommodation is lo-cated, but if you stay in the city then you should buy the day ticket München XXL (“Tageskarte München XXL”) to reach the conference venue.
If you are staying for a few days and you will not travel to the airport, we recommend buying the “IsarCard-Woche”, which will cost 31,10 € for one person (not available online). Make sure to select “7 Ringe” on the area of validity. With this ticket you will be able to access the metro for one entire week, but you will not be able to reach the airport�
Check also the last pages of this booklet for more detailed maps of the metro, S-Bahn and campus area� There is also a handy smartphone app that gives you a detailed travel plan from your starting location in and around Munich and lets you buy tickets online. You can find it under “MVG Fahrinfo” or here: For any further doubt, please stop by the registration desk or visit the website www�mvg�de�
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By taxiA taxi ride from central Munich to Garching will cost about 40-50 € (depending on your exact location)� A taxi ride from the airport will cost about 35 €�
Taxi-Zentrale München: +49 (0) 89 21610 IsarFunk München: +49 (0) 89 450540 Taxi Garching: +49 (0) 89 3202885
By carDrive along highway A9 and get out at Garching Nord� From there drive approxi- mately 1 km following the road signs in direction Garching Forschungszentrum and park your car in the free large parking lot of the campus�
Munich is also equipped with several car sharing services such as DriveNow (avail-able in the city, at the airport and on campus) or car2go (available in the city and at the airport, not on campus)�
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Instructions for Presenting Authors
■ Please check when and where your presentation takes place� The detailed con-ference program is available in this booklet and at this link:https://www�events�tum�de/frontend/index�php?page_id=626�
■ The time slot for each presentation is 15 minutes, plus 5 minutes for Q&A� ■ Please adjust the length of your speech and the number of slides to stay within the allowed time limit� Session chairs will strictly enforce the respect of the schedule�
■ A video projector and a PC are available in all conference rooms� The use of personal laptops is not allowed�
■ Presentations must be loaded on the PC of the conference room well before the beginning of the session� Please avoid loading your slides just before your talk, because this will shorten the time available for your presentation (we will strictly enforce the length of the slots)�
■ Bring your presentations on a USB memory stick� Staff will be present in the rooms at all times during the conference to help you load and check your presentation�
■ Please use your preferred formatting style, as no presentation template is provid-ed� Slides must be written in the English language, and must include the title and a complete list of authors with their respective affiliations. The oral presentation must also be delivered in the English language�
■ Presentations should be in PDF or PowerPoint format� ■ The default format of the slides is 4:3, although also the 16:9 format is supported� ■ The PCs provided in each conference room are equipped with the following software:
■ Operating System: MS Windows 10 ■ MS Office 2016 Professional (Word, Excel, PowerPoint) ■ Adobe Acrobat Reader DC (Vers� 2015�017�20050) ■ MS Windows Media Player (Vers� 12�0�10011�16384) ■ VLC Media Player (Vers� 2�2�4) ■ Quick Time Player (Vers� 7�76�80�95)
To avoid technical problems, please make sure that your presentation is com-patible with this software configuration.
Oral Presentations
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■ Please check when and where your poster presentation takes place� There are two poster sessions:
■ Wednesday 15:45-16:30: Sessions A, C, E, G, I� ■ Thursday 15:45-16:30: Sessions B, D, F, H, J�
The detailed conference program is available in this booklet and at this link:https://www�events�tum�de/frontend/index�php?page_id=626�
■ In the session, note the tag assigned to your poster, which is given by the session letter (A, B, C, etc.) followed by a number. You need this tag to find where to hang your poster� Maps are available on-site to help you identify the location of your poster� You should hang your poster only in its assigned location�
■ You are responsible for mounting your own poster� Please mount your poster as soon as you arrive at the conference, and do not take it down before you leave� Posters left up after the conference will be discarded�
■ Tape for mounting your poster is provided at the conference� If you have special requests, please come to the registration desk�
■ Presenters should be available next to their posters during the entire dura-tion of their poster session, to discuss their work with interested viewers�
Best Poster Awards� The most voted posters will be recognized with the “TORQUE 2016 Best Poster Award” during the conference banquet on Thursday. You can vote for your preferred posters with the Conference App (http://m�torque2016�org)� Please do not forget to vote: we need your input to recognize the very best posters of the conference!
■ Introduce yourself to the session chairperson before the beginning of the ses-sion� Please hand-in to the chairperson your written bulleted bio (max 3-4 points)� Please make sure that the chairperson knows how to pronounce your name�
Poster Presentations
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Plenary Sessions
Opening CeremonyDiesel Hall Wednesday 5 October 9:00-10:00
Welcome and introduction to the conference by: ■ TUM President Prof� Dr� Wolfgang A� Herrmann ■ Dean of the Department of Mechanical Engineering Prof� Dr� Nikolaus Adams ■ TORQUE 2016 Chair Prof� Dr� Carlo L� Bottasso
Plenary Lecture by Dr� R� ThresherDiesel Hall Wednesday 5 October 18:30-19:30
“Some Tales of the Early R&D - An American Perspective on Wind Energy’s Path to Commercialization”
Robert W� Thresher, Ph�D� NREL Research Fellow National Renewable Energy Laboratory
Dr� Thresher has more than 40 years of research, development, engineering, and management experience in wind technology and ocean energy systems� As a profes-sor at Oregon State University, he worked with DOE to develop early wind technolo-gies� At NREL he has been a principal researcher developing early wind technology and an architect of the wind program at NREL and the creation of the National Wind Technology Center� Since Dr� Thresher was appointed to the position of NREL Wind Energy Research Fellow in 2008, he has served as a strategist and spokesperson for the initiation of a national research program to develop offshore renewable energy technologies� He is currently serving as mentor and team supervisor for NREL’s wave, river and tidal current research team�
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Plenary Roundtable “The Future Needs of Wind Energy Scientific Research”Diesel Hall Thursday 6 October 9:00-10:00
Where is wind energy research going? Where should it go? What is the view of academia, and what are the needs of industry? Join the discussion, and help shape the future of wind energy research together with some of the top leaders in the field.
Moderator: Prof� Dr� Gijs van Kuik (TU Delft) Panelists:
■ Prof� Dr� Po Wen Cheng (University of Stuttgart) ■ Dr� Jens Madsen (Suzlon) ■ Prof� Dr� James F� Manwell (University of Massachusetts Amherst) ■ Dr� James Maughan (GE Global Research) ■ Dr� Matthias Schubert (Wyncon Consultants)
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Poster Session 1Main Hall Wednesday 5 October 15:45-16:30
Posters from the following topical areas will be presented: � A� �C� � E� �G� � I�
Aerodynamics and NoiseAeroservoelasticity, Loads, Structures and MaterialsDesign and Systems EngineeringModeling and Simulation TechnologyNew Concepts and Configurations
Poster Session 2Main Hall Thursday 6 October 15:45-16:30
Posters from the following topical areas will be presented: �B� �D� � F� �H� � J�
Wind, Wakes, Turbulence and Wind FarmsControl and Supporting TechnologiesMeasurement, Monitoring and Experimental TechniquesOffshore Wind EnergyDrive Trains, Generator Technology and Grids
Plenary Sessions
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Social Program
Welcome Cocktail at the Faculty Club of TUM IASTuesday 4 October, 17:00 - 20:00
Gather your badge and conference material, and then meet your fellow conference attendees at this ice-breaking event� Drinks and hors d‘oeuvres will be served�
See the map for the location of the Faculty Club of the TUM Institute of Advanced Studies.
Historical Evening at Flugwerft Schleißheim
Wednesday 5 October, 20:00 - 22:30A standing dinner will be served within the fantastic collection of airplanes and heli-copters of the famous Deutsches Museum at Flugwerft Schleißheim� English-speak-ing guides will accompany small groups of visitors on tours of the collection during the event�
Note: this event is limited to 400 participants due to limited room capacity� Admission is first come first served, based on the time of registration. Please let us know if you plan not to attend this event, so that we can accommodate somebody else�
Transportation by private buses from the conference venue to Flugwerft Schleißheim and back will be provided. Buses will depart from the venue at 19:30 (point marked “B” in the map).
Sponsored by GE Global Research
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Bavarian Banquet at the Historical Hofbräuhaus MünchenThursday 6 October, 19:30 - 22:30
Get a feeling of traditional Bavarian culture and a hearty meal at this historical restau-rant right in the center of Munich! Good food, plenty of famous German beer, music and more:
■ EAWE Scientific Award, presented to Dr. Paul Veers ■ EAWE Honorary Membership, presented to Prof� Dr� Gijs van Kuik and Prof� Dr� Peter Tavner
■ EAWE Excellent Young Wind Doctor Award ■ TORQUE 2016 Best Poster Awards
Travel to the Hofbräuhaus München by subway from the conference ven-ue. Just follow the dark blue line in the map, or travel with one of the TORQUE staff members (meet us in the main hall next to the registration desk from 18:15; the last group will leave at 19:00). Self-travel back to your hotel. Detailed travel instructions:
■ Buy a 2-zone ticket (€ 5.40) ■ Take the U-Bahn U6 and get off at Marienplatz ■ Follow the map to get to the Hofbräuhaus (address: Platzl 9, 80331 München) (5 min, 450 meters)
Dinner on Rails: A Private Tram Tour of MunichWednesday 5 October, 20:00 - 22:30
Enjoy a Mediterranean dinner and an exclusive tour through the city at the same time� Follow the rails in one of Munich old trams and see the city from a different viewpoint� Trams will stop at various points of interest, and English-speaking guides will take you for short walks around the stops� Then back to the tram for your dinner and drinks until the next stop!
Note: this event will only take place if we have more than 400 attendees at Flugwerft Schleißheim�
Transportation by private buses from the conference venue to the start of the tram tour (address: Max-Weber-Platz, company: SPUR-Wechsel) will be provided. Buses will depart from the venue at 19:30 (point marked “B” in the map). Self-travel back to your hotel from Max-Weber-Platz (U-Bahn lines U4 and U5 ).
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Kartendaten © 2016 COWL, GeoBasis-DE/BKG (©2009), Google
Oral Sessions
Wednesday
26
Wed
nes
day
10:30 - 12:30
G. Modeling and Simulation Technology 1Niemann Hall, Chaired by: F. Porté-Agel, J. Jonkmann
10:30 - 10:50 A Highly Resolved Large-Eddy Simulation of a Wind Turbine using an Actuator Line Model with Optimal Body Force ProjectionLuis Martinez | Johns Hopkins UniversityCharles Meneveau, Matthew Churchfield
10:50 - 11:10 Validation of the Actuator Line Model with coarse resolu-tion in atmospheric sheared and turbulent inflowMartín Draper | Universidad de la RepúblicaAndrés Guggeri, Gabriel Usera
11:10 - 11:30 Actuator line simulations of a Joukowsky and Tjæreborg rotor using spectral element and finite volume methodsElektra Kleusberg | KTH Royal Institute of Technology, StockholmSasan Sarmast, Philipp Schlatter, Stefan Ivanell, Dan Henningson
11:30 - 11:50 Multiscale aeroelastic simulations of large wind farms in the atmospheric boundary layerAthanasios Vitsas | KU LeuvenJohan Meyers
11:50 - 12:10 Predictive wind turbine simulation with an adaptive lattice Boltzmann method for moving boundariesRalf Deiterding | University of SouthamptonStephen Wood
12:10 - 12:30 Contributions of the Stochastic Shape Wake Model to Predictions of Aerodynamic Loads and Power under Single Wake ConditionsPaula Doubrawa | Cornell UniversityRebecca Barthelmie, Matthew Churchfield, Hui Wang
27
Wed
nesd
ay
10:30 - 12:30
B. Wind, Wakes, Turbulence and Wind Farms 1Diesel Hall, Chaired by: J. Meyers, J. Peinke
10:30 - 10:50 Wake effects between two neighbouring wind farmsNicolai Gayle Nygaard | DONG Energy Wind PowerSidse Damgaard
10:50 - 11:10 Long-wave instabilities in the wake of a two-bladed rotorUmberto Quaranta | Airbus HelicoptersMattias Brynjell-Rahkola, Dan Henningson
11:10 - 11:30 Why the Coriolis force turns a wind farm wake to the right in the Northern HemispherePaul van der Laan | DTUNiels Sørensen
11:30 - 11:50 Characterization of wind velocities in the wake of a full scale wind turbine using three ground-based synchronized WindScannersHasan Yazicioglu | DTUNikolas Angelou, Torben Mikkelsen, Juan José Trujillo
11:50 - 12:10 The effect of the number of blades on wind turbine wake – a comparison between 2-and 3-bladed rotorsFranz Mühle | NMBU ÅsMuyiwa Samuel Adaramola, Lars Roar Sætran
28
Wed
nes
day
10:30 - 12:30
I. New Concepts and ConfigurationsEgbert-von-Hoyer Hall, Chaired by: P.W. Cheng, D.T. Griffith
10:30 - 10:50 Simulation of an offshore wind farm using fluid power for centralized electricity generationAntonio Jarquin Laguna | TU Delft
10:50 - 11:10 Aerodynamic and inertial tuning of passive devices for load alleviation on wind turbinesPierluigi Montinari | Politecnico di MilanoAlessandro Croce, Carlo L� Bottasso, Federico Gualdoni, Carlo Emanuele Riboldi
11:10 - 11:30 A Numerical Investigation to Identify Dimensionless Pa-rameters for Dual-Rotor Horizontal Axis Wind TurbinesKenny Lee Slew | Carleton UniversityMichael Miller, Edgar Matida
11:30 - 11:50 Downscaling of Airborne Wind Energy SystemsUwe Fechner | TU DelftRoland Schmehl
11:50 - 12:10 Numerical study on aerodynamic damping of floating verti-cal axis wind turbinesZhengshun Cheng | NTNUHelge Aagaard Madsen, Zhen Gao, Torgeir Moan
12:10 - 12:30 A study of rotor and platform design trade-offs for large-scale floating vertical axis wind turbinesD. Todd Griffith | Sandia National LaboratoriesMatthew Barone, Joshua Paquette, Brian Owens, Diana Bull
29
Wed
nesd
ay
Room for notes ...
30
Wed
nes
day
13:30 - 15:30
G. Modeling and Simulation Technology 2Niemann Hall, Chaired by: F. Porté-Agel, J. Jonkmann
13:30 - 13:50 Determination of Scaled Wind Turbine Rotor Characteris-tics from 3 Dimensional RANS CalculationsSimon Burmester | MARIN (Maritime Research Institute Netherlands)Sebastien Gueydon, Michel Make
13:50 - 14:10 Accurate load prediction by BEM with airfoil data from 3D RANS simulationsMarc Sebastian Schneider | German Aerospace Center DLRJens Nitzsche, Holger Hennings
14:10 - 14:30 A stochastic aerodynamic model for stationary blades in unsteady 3D wind fieldsManuel Fluck | University of VictoriaCurran Crawford
14:30 - 14:50 Development of an engineering code for the implementa-tion of aerodynamic control devices in BEMMaria Aparicio | CENERÃlvaro González, Sugoi Gomez-Iradi, Xabier Munduate
14:50 - 15:10 Investigation of the current yaw engineering models for simulation of wind turbines in BEM and comparison with CFD and experimentHamid Rahimi | ForWind - University of OldenburgBastian Dose, Joachim Peinke, Gerard Schepers
15:10 - 15:30 Wind speed and direction prediction by WRF and WindSim couplingMuhammad Bilal | The Arctic University of NorwayKine Solbakken, Yngve Birkelund
31
Wed
nesd
ay
13:30 - 15:30
B. Wind, Wakes, Turbulence and Wind Farms 2Diesel Hall, Chaired by: J. Meyers, J. Peinke
13:30 - 13:50 Multi-Objective Random Search Algorithm for Simultane-ously Optimizing Wind Farm Layout and Number of TurbinesJu Feng | DTUWen Zhong Shen, Chang Xu
13:50 - 14:10 Wind shear estimation and wake detection by rotor loads - First wind tunnel verificationJohannes Schreiber | TUMStefano Cacciola, Filippo Campagnolo, Vlaho Petrovic, Delphine Mourembles, Carlo L� Bottasso
14:10 - 14:30 Wind tunnel testing of a closed-loop wake deflection con-troller for wind farm power maximizationFilippo Campagnolo | TUMCarlo L� Bottasso, Vlaho Petrovic, Alessandro Croce, Johannes Schreiber, Emma-nouil Marios Nanos
14:30 - 14:50 A Control-Oriented Dynamic Flow Model: ‘WFSim’Sjoerd Boersma | TU DelftPieter Gebraad, Mehdi Vali, Bart Doekemeijer, Jan-Willem van Wingerden
14:50 - 15:10 A study on the active induction control of upstream wind turbines for total power increasesHyungyu Kim | Kangwon National UniversityInsu Paek, Carlo L� Bottasso, Kwansu Kim, Filippo Campagnolo
15:10 - 15:30 Lidar configurations for wind turbine controlMahmood Mirzaei | DTUJakob Mann
32
Wed
nes
day
13:30 - 15:30
H. Offshore Wind Energy 1Egbert-von-Hoyer Hall, Chaired by: M. Muskulus, P. Schaumann
13:30 - 13:50 Analytical fatigue reassessment for lifetime extension of offshore wind monopile foundationsLisa Ziegler | RambollMichael Muskulus
13:50 - 14:10 A Comparison Study of Offshore Wind Support Structures with Monopiles and Jackets for U.S. WatersKatherine Dykes | NRELRick Damiani, George Scott
14:10 - 14:30 Breaking phase focused wave group loads on offshore wind turbine monopilesAmin Ghadirian | DTUHenrik Bredmose, Martin Dixen
14:30 - 14:50 A model for Quick Load Analysis for monopile-type off-shore wind turbine substructuresSigne Schløer | DTULaura Garcia Castillo, Morten Fejerskov, Emanuel Stroescu, Henrik Bredmose
14:50 - 15:10 Value of information of repair times for offshore wind farm maintenance planningHelene Seyr | NTNUMichael Muskulus
15:10 - 15:30 Surrogate based wind farm layout optimization using manifold mappingKaja Kamaludeen Shaafi Mohamed | TU DelftSander van Zuijlen, Hester Bijl
33
Wed
nesd
ay
Room for notes ...
34
Wed
nes
day
16:30 - 18:00
G. Modeling and Simulation Technology 3Niemann Hall, Chaired by: F. Porté-Agel, J. Jonkmann
16:30 - 16:50 Comparison of Different Measurement Techniques and CFD Simulation in Complex TerrainChristoph Schulz | University of StuttgartMartin Hofsäß, Jan Anger, Alexander Rautenberg, Thorsten Lutz, Po-Wen Cheng, Jens Bange
16:50 - 17:10 Wind Power Forecasting techniques in complex terrain: ANN vs. ANN-CFD hybrid approachDavide Astolfi | University of PerugiaFrancesco Castellani, Matteo Mana, Massimiliano Burlando, Catherine Meissner, Emanuele Piccioni
17:10 - 17:30 Intercomparison of terrain-following coordinate transfor-mation and immersed boundary methods in large-eddy simulation of wind fields over complex terrainJiannong Fang | EPFLFernando Porté-Agel
17:30 - 17:50 The fence experiment - a first evaluation of shelter modelsJakob Mann | DTUAlfredo Peña, Andreas Bechmann, Davide Conti, Nikolas Angelou
35
Wed
nesd
ay
16:30 - 18:00
B. Wind, Wakes, Turbulence and Wind Farms 3Diesel Hall, Chaired by: J. Meyers, J. Peinke
16:30 - 16:50 Wind turbine wake measurement in complex terrainKurt S. Hansen | DTUGunner Chr� Larsen, Robert Menke, Nikola Vasiljevic, Nikolas Angelou, Ju Feng, Andrea Vignaroli, Chang Xu, Wei Liu, Wen Zhong Shen
16:50 - 17:10 Investigations into the Interaction of a Wind Turbine with Atmospheric Turbulence in Complex TerrainThorsten Lutz | University of StuttgartLevin Klein, Pascal Weihing, Christoph Schulz
17:10 - 17:30 Study of the wind flow over a double-ridge site with nu-merical simulations using a coupling approach and multi-lidar field measurementsCarlos Veiga Rodrigues | University of Porto, Faculty of EngineeringJosé Palma, Nikola Vasiljevic, Michael Courtney, Jacob Mann
17:30 - 17:50 The effects of the canopy created velocity inflection in the wakes development of a large wind turbine arrayOxana Agafonova | Lappeenranta University of TechnologyAnna Avramenko, Ashvinkumar Chaudhari, Antti Hellsten
36
Wed
nes
day
16:30 - 18:00
H. Offshore Wind Energy 2Egbert-von-Hoyer Hall, Chaired by: M. Muskulus, P. Schaumann
16:30 - 16:50 Design study and full scale MBS-CFD simulation of the IDEOL floating offshore wind turbine foundationFriedemann Borisade | University of StuttgartThomas Choisnet, Po Wen Cheng
16:50 - 17:10 Wind tunnel validation of AeroDyn, within LIFES50+ proj-ect: imposed Surge and Pitch testsIlmas Bayati | Politecnico di MilanoMarco Belloli, Luca Bernini, Alberto Zasso
17:10 - 17:30 Control design methods for floating wind turbines for opti-mal disturbance rejectionFrank Lemmer | University of Stuttgart
17:30 - 17:50 Experimental and numerical study of a 10MW TLP wind turbine in waves and windAntonio Pegalajar-Jurado | DTUAnders Mandrup Hansen, Robert Laugesen, Robert Flemming Mikkelsen, Michael Borg, Taeseong Kim, Nicolai Francis Heilskov, Henrik Bredmose
17:50 - 18:10 Load extrapolations based on measurements from an offshore wind turbine at alpha ventusPo Wen Cheng | University of Stuttgart
Oral Sessions
Thursday
38
Th
urs
day
10:30 - 12:30
G. Modeling and Simulation Technology 4Niemann Hall, Chaired by: F. Porté-Agel, J. Jonkmann
10:30 - 10:50 Modern methods to investigate the stability of a pitching floating platform wind turbineMatthew Lennie | TU BerlinDavid Marten, George Pechlivanoglou, Christian Navid Nayeri, Christian Oliver Paschereit
10:50 - 11:10 Periodic stability assessment of a exible hub connection for load reduction on two-bladed wind turbinesBirger Luhmann | University of StuttgartPo Wen Cheng
11:10 - 11:30 Comparison of linear and non-linear blade model predic-tions in Bladed to measurement data from GE 6MW wind turbineWilliam Collier | DNV GLJose-Maria Milian Sanz
11:30 - 11:50 FAST modularization framework for wind turbine simula-tion: full-system linearizationJason Jonkman | NRELBonnie Jonkman, Michael Sprague
11:50 - 12:10 Aeroelastic Simulation of Multi-MW Wind Turbines using a Free Vortex Model Coupled to a Geometrically Exact Beam ModelJoseph Saverin | TU BerlinJuliane Peukert, David Marten, Christian Navid Nayeri, Georgios Pechlivanoglou, Christian Oliver Paschereit
12:10 - 12:30 Real-time hybrid simulation technique for performance evaluation of full-scale sloshing dampers in wind turbinesZili Zhang | Aarhus UniversityBiswajit Basu, Søren R�K� Nielsen
39
Th
ursd
ay
10:30 - 12:30
B. Wind, Wakes, Turbulence and Wind Farms 4Diesel Hall, Chaired by: J. Meyers, J. Peinke
10:30 - 10:50 Shear layer approximation of Navier-Stokes steady equa-tions for non-axisymmetric wind turbine wakes: Description and preliminary verificationDavide Trabucchi | ForWind - University of OldenburgLukas Vollmer, Martin Kühn
10:50 - 11:10 3D Lagrangian VPM: simulations of the near-wake of an actuator disc and Horizontal Axis Wind TurbineTom Berdowski | TU DelftCarlos Ferreira, Jens Walther
11:10 - 11:30 Vortex Particle-Mesh simulations of Vertical Axis Wind Turbine flows: from the blade aerodynamics to the very far wakePhilippe Chatelain | Université catholique de LouvainMatthieu Duponcheel, Denis-Gabriel Caprace, Yves Marichal, Grégoire Winckel-mans, Thierry Maeder
11:30 - 11:50 Validation of actuator disc approach using model scaled wind turbinesNikolaos Simisiroglou | Uppsala UniversitySasan Sarmast, Simon Philippe Breton, Stefan Ivanell
11:50 - 12:10 Validation of actuator line and disc techniques using the New MEXICO measurementsSasan Sarmast | Uppsala University Campus GotlandWen Zhong Shen, Stefan Ivanell, Robert Flemming Mikkelsen, Simon-Philippe Breton
12:10 - 12:30 Using High-Fidelity Computational Fluid Dynamics to Help Design a Wind Turbine Wake Measurement ExperimentMatthew Churchfield | NRELAndrew Scholbrock, Thomas Herges, Torben Mikkelsen, Mikael Sjöholm
40
Th
urs
day
10:30 - 12:30
D. Control and Supporting Technologies 1Egbert-von-Hoyer Hall, Chaired by: J.-W. van Wingerden, E. Bossanyi
10:30 - 10:50 Simultaneous observation of wind shears and misalign-ments from rotor loadsMarta Bertelè | TUMCarlo L� Bottasso, Stefano Cacciola
10:50 - 11:10 Gusts detection in a horizontal wind turbine by monitoring of innovations error of an extended Kalman filterLuis Recalde | University of StrathclydeSung-ho Hur, William Leithead
11:10 - 11:30 Statistical Evaluation of the Identified Structural Parame-ters of an idling Offshore Wind TurbinePaul van der Valk | TU DelftHendrik Kramers, Jan-Willem van Wingerden
11:30 - 11:50 Diagnostics for Electrically Operated Pitch Systems in Offshore Wind TurbinesSurya Teja Kandukuri | University of AgderHamid Reza Karimi, Kjell Gunnar Robbersmyr
11:50 - 12:10 Circulation active flow control on a rounded trailing-edge wind turbine airfoil using plasma actuatorsSophie Baleriola | University of OrléansAnnie Leroy, Stéphane Loyer, Philippe Devinant, Sandrine Aubrun
12:10 - 12:30 On the effects of basic platform design characteristics on floating offshore wind turbine control and their mitigationJoannes Olondriz | IkerlanAron Pujana, Joseba Landaluze, Igancio Trojaola, Iker Elorza
41
Th
ursd
ay
10:30 - 12:30
F. Measurement, Monitoring and Experimental Techniques 1Prandtl Hall, Chaired by: M. Kühn, J. Mann
10:30 - 10:50 Comparison of different modelling approaches of drive train temperature for the purposes of wind turbine failure detectionJannis Tautz-Weinert | Loughborough UniversitySimon Watson
10:50 - 11:10 Feasibility of large-scale calorimetric efficiency measure-ment for wind turbine generator drivetrainsMichael Pagitsch | RWTH AachenRalf Schelenz, Christian Liewen, Sebastian Reisch, Dennis Bosse, Georg Jacobs, Matthias Deicke
11:10 - 11:30 Investigations for Improvement of Energy Yield of Ro-tor-blades from the 1.5 MW ClassReichstein Torben | Kiel University of Applied SciencesAlois Peter Schaffarczyk, Nicolas Balaresque, Sven Bicker, Christoph Dollinger, A� Fandrich, Michael Hoelling, Kai Irschick, Cornelia von Zengen
11:30 - 11:50 In-blade wind turbine blade angle of attack measurements and comparison with yaw modelsDavid Johnson | University of WaterlooTyler Gallant
11:50 - 12:10 Detection of rotor imbalance, including root cause, severity and locationStefano Cacciola | Politecnico di MilanoCarlo L� Bottasso, Irene Munduate Agud
12:10 - 12:30 Thermographic Stall DetectionChristoph Dollinger | University of BremenNicholas Balaresque, Alois Peter Schaffarczyk, Andreas Fischer
42
Th
urs
day
13:30 - 15:30
A. Aerodynamics and Noise 1Niemann Hall, Chaired by: J. Sørensen, S. Ivanell
13:30 - 13:50 Momentum theory of Joukowsky actuator discs with swirlGijs van Kuik | TU Delft
13:50 - 14:10 How does the presence of a body affect the performance of an actuator diskGael de Oliveira | TU DelftRicardo Balbino Pereira, Danielle Ragni, Francesco Avallone, Gerard van Bussel
14:10 - 14:30 Extension of Goldstein’s circulation function for optimal rotors with hubWen Zhong Shen | DTUJens N� Sørensen, Okulov Valery
14:30 - 14:50 Comparison of classical methods for blade design and the influence of tip correction on rotor performanceJens Nørkær Sørensen | DTU Wind EnergyValery Okulov, Robert Mikkelsen, Igor Naumov, Ivan Litvinov
14:50 - 15:10 Towards an Engineering Model for the Aerodynamic Forces Acting on Wind Turbine Blades in Quasisteady Standstill and Blade Installation SituationsMac Gaunaa | DTUJoachim Heinz, Witold Skrzypinski
15:10 - 15:30 Impact of flow inclination on downwind turbine loads and powerChristian Kress | ETH ZürichNdaona Chokani, Reza S� Abhari, Takashi Hashimoto, Masatoshi Watanabe, Taka-hiko Sano, Mitsuru Saeki
43
Th
ursd
ay
13:30 - 15:30
B. Wind, Wakes, Turbulence and Wind Farms 5Diesel Hall, Chaired by: J. Meyers, J. Peinke
13:30 - 13:50 Polynomial chaos for the computation of annual energy production in wind farm layout optimizationA. Santiago Padron | Stanford UniversityAndrew Stanley, Jared Thomas, Juan Alonso, Andrew Ning
13:50 - 14:10 Mapping Wind Farm Load and Power Production – A Case Study on Horns Rev 1Nikolay Dimitrov | DTUChristos Galinos, Torben J� Larsen, Anand Natarajan, Kurt S� Hansen
14:10 - 14:30 Statistics of LES Simulations of Large Wind Farms.Søren Andersen | DTUJens Nørkær Sørensen, Robert Flemming Mikkelsen, Stefan Ivanell
14:30 - 14:50 A Simple Model for the Turbulence Intensity Distribution in Atmospheric Boundary LayersLawrence Cheung | GE Global ResearchSachin Premasuthan, Samuel Davoust, Dominic von Terzi
14:50 - 15:10 In search for a canonical design ABL stability class for wind farm turbinesGunner Chr. Larsen | DTUFranck Bertagnolio, David Verelst, Abhijit Chougule
15:10 - 15:30 A wind energy benchmark for ABL modelling of a diurnal cycle with a nocturnal low-level jetJavier Sanz Rodrigo | CENERMatthew Churchfield, Branko Kosovicì
44
Th
urs
day
13:30 - 15:30
D. Control and Supporting Technologies 2Egbert-von-Hoyer Hall, Chaired by: J.-W. van Wingerden, E. Bossanyi
13:30 - 13:50 Effect of wind turbine response time on optimal dynamic induction control of wind farmsWim Munters | KU LeuvenJohan Meyers
13:50 - 14:10 Lidar-based wake tracking for closed-loop wind farm controlSteffen Raach | University of StuttgartDavid Schlipf, Po Wen Cheng
14:10 - 14:30 Incorporating Atmospheric Stability Effects into the FLO-RIS Engineering Model of Wakes in Wind FarmsPieter Gebraad | Siemens Wind PowerMatthew Churchfield, Paul Fleming
14:30 - 14:50 Detailed field-test of yaw-based wake steeringPaul Fleming | NRELMatthew Churchfield, Andrew Scholbrock, Andrew Clifton, Scott Schreck, Alan Wright, Pieter Gebraad, Jennifer Annoni, Brian Naughton, Tommy Herges, Jon Berg, Jon White, Torben Mikkelsen
14:50 - 15:10 A predictive control framework for optimal energy ex-traction of wind farmsMehdi Vali | ForWind - University of OldenburgJan-Willem van Wingerden, Sjoerd Boersma, Vlaho Petrovic, Martin Kühn
15:10 - 15:30 Receding horizon control of wind farms for secondary frequency regulationCarl Shapiro | Johns Hopkins UniversityJohan Meyers, Charles Meneveau, Dennice Gayme
45
Th
ursd
ay
13:30 - 15:30
F. Measurement, Monitoring and Experimental Techniques 2Prandtl Hall, Chaired by: M. Kühn, J. Mann
13:30 - 13:50 Improving lidar turbulence estimates for wind energyJennifer Newman | NRELAndrew Clifton, Matthew Churchfield, Petra Klein
13:50 - 14:10 Analysis of wind coherency in the longitudinal direction using turbine mounted lidarSamuel Davoust | GE Global ResearchDominic von Terzi
14:10 - 14:30 Demonstration of synchronised scanning lidar measure-ments of 2D velocity fields in a boundary-layer wind tunnelMarijn van Dooren | ForWind - University of OldenburgMartin Kühn, Vlaho Petrovíc, Marc Bromm, Carlo L� Bottasso, Filippo Campagnolo, Mikael Sjöholm, Nikolas Angelou, Torben Mikkelsen, Alessandro Croce, Alberto Zasso
14:30 - 14:50 Open Access Wind Tunnel Measurements of a Downwind Free Yawing Wind TurbineDavid Verelst | DTU Wind EnergyTorben Larsen, Jan-Willem van Wingerden
14:50 - 15:10 Wind tunnel study of the power output spectrum in a micro-wind farmJuliaan Bossuyt | KU LeuvenMichael F� Howland, Charles Meneveau, Johan Meyers
15:10 - 15:30 Momentum considerations on the New MEXICO experimentHerman Snel | ECNParra Edgar Andres, Koen Boorsma, Gerard Schepers
46
Th
urs
day
16:30 - 18:30
A. Aerodynamics and Noise 2Niemann Hall, Chaired by: J. Sørensen, S. Ivanell
16:30 - 16:50 Wind Turbine Noise Propagation Modelling: An Unsteady ApproachEmre Barlas | DTUWei Jun Zhu, Wen Zhong Shen, Søren Juhl Andersen
16:50 - 17:10 Maturing of Serration Design Methodology for Wind Tur-bine Noise ReductionAshish Singh | LM Wind PowerJesper Madsen, Carlos Arce
17:10 - 17:30 Ice accretion prediction on wind turbines and consequent power lossesIsmail H. Tuncer | METUOzcan Yirtici, Serkan Ozgen
17:30 - 17:50 Rotor experiments in controlled conditions continued: New MexicoKoen Boorsma | ECNGerard Schepers
17:50 - 18:10 Design of advanced airfoil for stall-regulated wind turbinesFrancesco Grasso | University of Naples Federico IIDomenico Coiro, Nadia Bizzarini, G� Calise
47
Th
ursd
ay
16:30 - 18:30
B. Wind, Wakes, Turbulence and Wind Farms 6Diesel Hall, Chaired by: J. Meyers, J. Peinke
16:30 - 16:50 Wind turbine wake tracking and its correlations with wind turbine monitoring sensorsSandrine Aubrun | University of OrléansMatthieu Boquet, Eulalio Torres Garcia, Nicolas Girard, Olivier Coupiac
16:50 - 17:10 Wind Shear, Gust, and Yaw-Induced Dynamic Stall on Wind-Turbine BladesDavid Rival | Queen's UniversityBenen la Bastide, Jaime Wong
17:10 - 17:30 Wind-tunnel simulation of stably stratified atmospheric boundary layers for the assessment of effects on wind turbines and wakesPhilip Hancock | University of SurreyPaul Hayden
17:30 - 17:50 Model Wind Turbines Tested at Full-Scale SimilarityMark Miller | Princeton UniversityJanik Kiefer, Carsten Westergaard, Marcus Hultmark
48
Th
urs
day
16:30 - 18:30
D. Control and Supporting Technologies 3Egbert-von-Hoyer Hall, Chaired by: J.-W. van Wingerden, E. Bossanyi
16:30 - 16:50 Lidar-Assisted Feedforward Individual Pitch Control to Compensate Wind Shear and Yawed InflowSvenja Wortmann | TU DarmstadtJens Geisler, Ulrich Konigorski
16:50 - 17:10 Turbulent Extreme Event Simulations for Lidar-Assisted Wind Turbine ControlDavid Schlipf | University of StuttgartSteffen Raach
17:10 - 17:30 Nacelle LiDAR online wind field reconstruction applied to feedforward pitch controlFabrice Guillemin | IFP Energies nouvelles
49
Th
ursd
ay
16:30 - 18:30
J. Drive Trains, Generator Technology and GridsPrandtl Hall, Chaired by: R. De Doncker, A. Natarajan
16:30 - 16:50 New Drive Train Concept with Multiple High Speed GeneratorsFriederike Barenhorst | RWTH AachenSimon Serowy, Cristian Andrei, Ralf Schelenz, Georg Jacobs, Kay Hameyer
16:50 - 17:10 Detailed Pseudo-Static Drive Train Modelling with Genera-tor Short CircuitChristopher Warnock | University of StrathclydeDavid Infield
17:10 - 17:30 Converter Lifetime Assessment for Doubly-Fed Induction Generators Considering Derating Conrol Strategies at Low Rotor FrequenziesMarcel Morisse | Leibniz Universität HannoverArne Bartschat, Jan Wenske, Axel Mertens
17:30 - 17:50 Investigation on pitch system loads by means of an integral multi body simulation approachJoerg Berroth | RWTH AachenTobias Kroll, Ralf Schelenz, Georg Jacobs
50
Room for notes ...
Oral Sessions
Friday
52
Frid
ay
09:00 - 11:00
A. Aerodynamics and Noise 3Niemann Hall, Chaired by: J. Sørensen, S. Ivanell
09:00 - 09:20 Experimental Study on the Effects of Winglets on the Per-formance of Two Interacting Horizontal Axis Model Wind TurbinesYasar Ostovan | METUWINDOguz Uzol
09:20 - 09:40 An investigation of unsteady 3D effects on trailing edge flapsEva Jost | University of StuttgartAnnette Fischer, Thorsten Lutz, Ewald Krämer
09:40 - 10:00 Full scale wind turbine test of vortex generators mounted on the entire bladeChristian Bak | DTU Wind EnergyWitold Skrzypinski, Mac Gaunaa, Hector Villanueva, Niels Brønnum, Emil Olsen
10:00 - 10:20 Experimental Measurement and CFD Model Development of Thick Wind Turbine Airfoils with Leading Edge ErosionDavid Maniaci | Sandia National LaboratoriesEdward White, Benjamin Wilcox, Case van Dam, Christopher Langel, Joshua Paquette
10:20 - 10:40 Comparison of flow modification induced by plasma and fluidic jet actuators dedicated to circulation control around wind turbine airfoilsAnnie Leroy | University of OrléansCaroline Braud, Sophie Baleriola, Stéphane Loyer, Philippe Devinant, Sandrine Aubrun
10:40 - 11:00 CFD simulation of a 2 bladed multi megawatt wind turbine with flexible rotor connectionLevin Klein | University of StuttgartBirger Luhmann, Karl-Naik Rösch, Thorsten Lutz, Po-Wen Cheng, Ewald Krämer
53
Friday
09:00 - 11:00
C. Aeroservoelasticity, Loads, Structures and Materials 1Diesel Hall, Chaired by: G. van Kuik, M.H. Hansen
09:00 - 09:20 Structural integrity of wind turbines impacted by tropical cyclones: A case study from ChinaXiao Chen | Chinese Academy of SciencesChuanfeng Li, Jing Tang
09:20 - 09:40 Gust response of aeroelastically tailored wind turbinesAlberto Pirrera | University of BristolPaul M� Weaver, Marco Capuzzi, Samuel Scott, David Langston, Ervin Bossanyi, Graeme McCann
09:40 - 10:00 Developing a passive load reduction blade for the DTU 10 MW reference turbineJacobus de Vaal | Institute for Energy TechnologyTor Anders Nygaard, Roy Stenbro
10:00 - 10:20 Effect of linear and non-linear blade modelling techniques on simulated fatigue and extreme loads using BladedAlec Beardsell | DNV GLWilliam Collier, Tao Han
10:20 - 10:40 Extreme load alleviation using industrial implementation of active trailing edge flaps in a full design load basisAthanasios Barlas | DTUVasilis Pettas, Drew Gertz, Helge Madsen
10:40 - 11:00 Aeroelastic Design and LPV Modelling of an Experimental Wind Turbine Blade equipped with Free-floating flapsJan-Willem van Wingerden | TU DelftLars Bernhammer, Jurij Sodja, Kees Slinkman, Gijs van Kuik, Sachin Navalkar
54
Frid
ay
09:00 - 11:00
E. Design and Systems Engineering 1Egbert-von-Hoyer Hall, Chaired by: K. Dykes, T. Chaviaropoulos
09:00 - 09:20 Design of an Aeroelastically Tailored 10 MW Wind Turbine RotorFrederik Zahle | DTUCarlo Tibaldi, Christian Pavese, Michael K� McWilliam, José P� A� A� Blasques, Morten Hartvig Hansen
09:20 - 09:40 Lightweight rotor design by optimal spar cap offsetAlessandro Croce | Politecnico di MilanoLuca Sartori, Marco Stefano Lunghini, Luca Clozza, Carlo L� Bottasso, Pietro Bortolotti
09:40 - 10:00 Reduced Design Load Basis for Ultimate Blade Loads Estimation in Multidisciplinary Design Optimization FrameworksChristian Pavese | DTUCarlo Tibaldi, Torben J� Larsen, Taeseong Kim, Kenneth Thomsen
10:00 - 10:20 A methodology to guide the selection of composite materi-als in a wind turbine rotor blade design processPietro Bortolotti | TUMCarlo L� Bottasso, Georg Adolphs
10:20 - 10:40 On the Improvement of Convergence Performance for Integrated Design of Wind Turbine Blade Using a Vector Dominating Multi-objective Evolution AlgorithmLong Wang | Nanjing University of Aeronautics and AstronauticsTongguang Wang
10:40 - 11:00 Integration of prebend optimization in a holistic wind turbine design toolLuca Sartori | Politecnico di MilanoPietro Bortolotti, Alessandro Croce, Carlo L� Bottasso
55
Friday
Room for notes ...
56
Frid
ay
11:30 - 13:00
A. Aerodynamics and Noise 4 - Special AVATAR SessionNiemann Hall, Chaired by: J. Sørensen, S. Ivanell
11:30 - 11:50 Latest results from the EU project AVATAR: Aerodynamic modelling of 10 MW wind turbinesGerard Schepers | ECNOzlem Ceyhan, Koen Boorsma, Martin Stettner, Giorgos Sieros, Carlos Ferreirs, Niels Sorensen,
Hendrik Heisselmann, Fanzhong Meng, Thorsten Lutz, Alvaro Gonzales, Xabier Munduate, George
Barakos, S� Calonia, Spyros Voutsinas, Alessandro Croce, Jesper Madsen
11:50 - 12:10 Experimental benchmark and code validation for airfoils equipped with passive vortex generatorsDaniel Baldacchino | TU DelftMarinos Manolesos, Carlos Ferreira, Alvaro Gonzalez Salcedo, Maria Aparicio, Takis Chaviaropou-
los, Kostas Diakakis, Liesbeth Florentie, Nestor Ramos Garcia, Giorgos Papadakis, Niels Normark
Sorensen, Weinand A� Timmer, Niels Troldborg, Spyros Voutsinas, Alexander van Zuijlen
12:10 - 12:30 Results of the AVATAR project for the validation of 2D aerodynamic models with experimental data of the DU95W180 airfoil with unsteady flapCarlos Simao Ferreira | TU DelftAlvaro Gonzalez, Daniel Baldacchino, Maria Aparicio, Sugoi Gomez, Xavier Munduate, Nestor Garcia,
Jens Sorensen, Eva Jost, Simon Knecht, Thorsten Lutz, Petros Chassapogiannis, Konstantinos Diaka-
kis, John Prospathopoulos, Spyros Voutsinas, Thijs Gillebaar, Alexander van Zuijlen, Giorgos Papadakis,
Marion Reijerkerk
12:30 - 12:50 CFD code comparison for 2D airfoil flowsNiels Nørmark Sørensen | DTUBeatriz Méndez, A� Muñoz, Giorgos Sieros, Eva Jost, Thorsten Lutz, Giorgos Papadakis, Spyros Voutsi-
nas, George N� Barakos, Simone Colonia, Daniel Baldacchino, Carlos Baptista, Carlos S� Ferreira
12:50 - 13:10 Computing the flow past Vortex Generators: Comparison between RANS Simulations and ExperimentsMarinos Manolesos | NTUANiels Sørensen, Niels Troldborg, Liesbeth Florentie, Giorgos Papadakis, Spyros Voutsinas
57
Friday
11:30 - 13:00
C. Aeroservoelasticity, Loads, Structures and Materials 2Diesel Hall, Chaired by: G. van Kuik, M.H. Hansen
11:30 - 11:50 Aeroelastic Stability of Idling Wind TurbinesVasilis Riziotis | NTUASpyros Voutsinas, Kai Wang
11:50 - 12:10 Field Validation of the Stability Limit of a Multi MW TurbineKnud Abildgaard Kragh | Siemens Wind PowerBjarne S� Kallesøe
12:10 - 12:30 Experimental and operational modal analysis of the labora-tory scale model of the tripod support structure.Marcin Luczak | Polish Academy of SciencesEmiliano Mucchi, Janusz Telega
12:30 - 12:50 Trailed vorticity modeling for aeroelastic wind turbine simulations in standstillGeorg Pirrung | DTUHelge Madsen, Scott Schreck
12:50 - 13:10 High fidelity CFD-CSD aeroelastic analysis of slender blad-ed horizontal-axis wind turbineMohamed Sayed | University of StuttgartThorsten Lutz, Ewald Kraemer, Shahrokh Shayegan, Aditya Ghantasala, Roland Wüchner, Kai-Uwe Bletzinger
58
Frid
ay
11:30 - 13:00
E. Design and Systems Engineering 2Egbert-von-Hoyer Hall, Chaired by: K. Dykes, T. Chaviaropoulos
11:30 - 11:50 Wind Farm Turbine Type and Placement OptimizationPierre-Elouan Réthoré | NRELKatherine Dykes, George Scott, Jason Fields, Monte Lunacek, Julian Quick, Peter Graf
11:50 - 12:10 On the impact of multi-axial stress states on trailing edge bondlines in wind turbine rotor bladesPablo Noever Castelos | Leibniz Universität HannoverClaudio Balzani
Poster Session 1
Wednesday
60
Wed
nes
day
A. Aerodynamics and Noise
A1 Effect of the number of blades and solidity on the performance of a vertical axis wind turbinePierre-Luc Delafin | Cranfield UniversityTakafumi Nishino, Lin Wang, Athanasios Kolios
A2 Scale Adaptive Simulation Model for the Darrieus Wind TurbineKrzysztof Rogowski | Warsaw University of TechnologyMartin Hansen, Ryszard Maroński, Piotr Lichota
A3 Forced pitch motion of wind turbinesVladimir Leble | University of Glasgow
A4 Comparison of two vortex models of wind turbines using a free vortex wake schemeBofeng Xu | Hohai UniversityYue Yuan, Tongguang Wang, Zhenzhou Zhao
A5 A numerical analysis to evaluate Betz' Law for vertical axis wind turbinesFrederik Thönnißen | RWTH AachenMarkus Marnett, Benedikt Roidl, Wolfgang Schröder
A6 Comparison of upwind and downwind operation of the NREL Phase VI ExperimentScott Larwood | University of the PacificRaymond Chow
A7 Simulation and Optimization of an Airfoil with Leading Edge SlatMatthias Schramm | ForWind - University of OldenburgBernhard Stoevesandt, Joachim Peinke
A. Aerodynamics and Noise
61
Wed
nesd
ay
A. Aerodynamics and Noise
A8 The Effect of Aerodynamic Evaluators on the Multi-Objective Optimization of Flatback AirfoilsMichael Miller | Carleton UniversityKenny Lee Slew, Edgar Matida
A9 Validation of engineering dynamic inflow models by experimental and numerical approachesDaniel Baldacchino | TU DelftVincent Hong, Carlos Ferreira, G�A�M� van Kuik, Wei Yu
A10 Simulations of wind turbine rotor with vortex generatorsNiels Troldborg | DTUFrederik Zahle, Niels Sørensen
A11 Investigations of the inflow turbulence effect on rotational aug-mentation by means of CFDGalih Bangga | University of StuttgartYusik Kim, Thorsten Lutz, Pascal Weihing, Ewald Krämer
A12 LES tests on airfoil trailing edge serrationWei Jun Zhu | Yangzhou UniversityWen Zhong Shen
A13 Validation and comparison of aerodynamic modelling approach-es for floating offshore wind turbinesFrédéric Blondel | IFPENRonan Boisard, Malika Milekovic, Gilles Ferrer, David Teixeira, Caroline Lienard
A14 Effects of finite aspect ratio on wind turbine airfoil measurementsJanik Kiefer | Princeton UniversityMark Miller, Marcus Hultmark, Martin Hansen
62
Wed
nes
day
A. Aerodynamics and Noise
A15 Thick root airfoil design for the 10MW INNWIND.EU wind turbineXabier Munduate | CENERBeatriz Méndez, Arturo Muñoz
A16 Aerodynamic analysis of clustered, diffuser-augmented wind turbinesUli Goeltenbott | Kyushu UniversityYuji Ohya, Shigeo Yoshida, Peter Jamieson
A17 Predictions of the cycle-to-cycle aerodynamic loads on a yawed wind turbine blade under stalled conditions using a 3D empirical stochastic modelTonio Sant | University of MaltaMoutaz Elgammi
A18 Application of the lifting line vortex wake method to dynamic load case simulationsKoen Boorsma | ECNL�M� Orsi, M� Hartvelt
A19 The influence of a cubic building on a roof mounted wind turbineDaniel Micallef | University of MaltaTonio Sant, Carlos Simao Ferreira
A20 Numerical and experimental investigation of an airfoil with load control in the wake of an active gridAnnette Fischer | University of StuttgartThorsten Lutz, Ewald Krämer, Ulrike Cordes, Klaus Hufnagel, Cameron Tropea, Gerrit Kampers, Michael Hölling, Joachim Peinke
A21 Extended Glauert Tip Correction to Include Vortex Rollup EffectsSven Schmitz | The Pennsylvania State UniversityDavid Maniaci
63
Wed
nesd
ay
A. Aerodynamics and Noise
A22 Aeroacoustic calculations of a full scale Nordtank 500kW wind turbineHarald Debertshaeuser | DTUWen Zhong Shen, Wei Jun Zhu
A23 Validation of an Actuator Line Model Coupled to a Dynamic Stall Model for Pitching Motions Characteristic to Vertical Axis TurbinesVictor Mendoza | Uppsala UniversityAnders Goude, Peter Bachant, Martin Wosnik
A24 Investigation of wavy blade sectionMartin O. L. Hansen | DTUCecilia M� Kobæk
A25 CFD computations of the second round of MEXICO rotor measurementsNiels Nørmark Sørensen | DTUFrederik Zahle, Koen Boorsma, Gerard Schepers
A26 CFD simulations on a rotor operating in pitch fault conditions and comparison with experimentsLuca Oggiano | IFEKoen Boorsma, Menno Kloosterman
A27 Benchmarking aerodynamic prediction of unsteady rotor aero-dynamics of active flaps on wind turbine blades using ranging fidelity toolsAthanasios Barlas | DTUEva Jost, Georg Pirrung, Theofanis Tsiantas, Vasilis Riziotis, Sachin Navalkar, Thorsten Lutz, Jan-Willem van Wingerden
A28 Jet flow control at the blade scale to alleviate loadsCaroline Braud | LHEEA laboratoryEmmanuel Guilmineau
64
Wed
nes
day
A. Aerodynamics and Noise
A29 Analysis of high Reynolds numbers effects on a wind turbine airfoil using 2D wind tunnel test dataXabier Munduate | CENEROscar Pires, Ozlem Ceyhan, Markus Jacobs, Herman Snel
A30 Discontinuous Galerkin methodology for Large-Eddy Simulations of wind turbine airfoilsAriane Frère | Cenaero - Université catholique de LouvainNiels N� Sørensen, Koen Hillewaert, Philippe Chatelain, Grégoire Winckelmans
A31 Effect of Wavy Trailing Edge on 100-meter Flatback Wind Turbine BladeSeung Joon Yang | University of Maryland
A32 On the influence of airfoil deviations on the aerodynamic perfor-mance of wind turbine rotorsJan Winstroth | ForWind - Leibniz Universität HannoverJoerg R� Seume
A33 On the aero-elastic design of the DTU 10MW wind turbine blade for the LIFES50+ wind tunnel scale modelLuca Bernini | Politecnico di MilanoIlmas Bayati, Marco Belloli, Robert Mikkelsen, Alberto Zasso
A34 Noise model for serrated trailing edges compared to wind tunnel measurementsWen Zhong Shen | DTUFrank Bertagnolio, Jesper Madsen, Andreas Fischer
A35 Fluid-structure coupled computations of the NREL 5MW wind turbine blade during standstillBastian Dose | ForWind - University of OldenburgHamid Rahimi, Iván Herráez, Joachim Peinke, Bernhard Stoevesandt
65
Wed
nesd
ay
A. Aerodynamics and Noise
A36 Point vortex modelling of the wake dynamics behind asymmetric vortex generator arraysDaniel Baldacchino | TU DelftDaniele Ragni, Carlos Ferreira, Gerard van Bussel
A37 Wind Turbine Blade Design for Subscale TestingJonathan Naughton | University of WyomingArash Hassanzadeh, Chris Kelley, David Maniaci
A39 What is the critical height of leading edge roughness for aerodynamics?Christian Bak | DTU Wind EnergyMac Gaunaa, Anders Olsen, Niels Sørensen, Emil Olsen
A40 Numerical Study of Aerodynamic Characteristics of a Symmetric NACA Section with Simulated Ice ShapesNarges Tabatabaei | Luleå tekniska universitetMichel Cervantes, Chirag Trivedi, Jan-Olov Aidanpaa
66
Wed
nes
day
C. Aeroservoelasticity, Loads, Structures and Materials
C1 Large Wind Turbine Rotor Design using an Aero-Elastic / Free-Wake Panel Coupling CodeMatias Sessarego | DTUNestor Ramos-Garcia, Wen Zhong Shen, Jens Norkaer Sorensen
C2 Reduction of fatigue loads on jacket substructure through blade design optimization for multi-megawatt wind turbines at 50 m water depthsWilfried Njomo Wandji | DTUChristian Pavese, Anand Natarajan, Frederik Zahle
C3 Aeroelastic measurements and simulations of a small wind tur-bine operating in the built environmentSamuel Evans | The University of Newcastle, AustraliaDavid Bradney, Philip Clausen
C4 A method to find the 50-year extreme load during productionRené Bos | TU DelftDick Veldkamp
C5 Stall-Induced Vibrations of the AVATAR Rotor BladeMartin Stettner | GE Global Research EuropeMarianne Jacoba Reijerkerk, Alexander Lünenschloß, Vasilis Riziotis, Alessandro Croce, Luca Sartori, Riccardo Riva, Johan M� Peeringa
C6 Frequency analysis of tangential force measurements on a verti-cal axis wind turbineMorgan Rossander | ÅngströmlaboratorietAnders Goude, Sandra Eriksson
C. Aeroservoelasticity, Loads, Structures and Materials
67
Wed
nesd
ay
C. Aeroservoelasticity, Loads, Structures and Materials
C7 A MIMO Periodic ARX identification algorithm for the Floquet stability analysis of wind turbinesRiccardo Riva | Politecnico di MilanoStefano Cacciola, Carlo L� Bottasso
C8 A novel method of strain - bending moment calibration for blade testingPeter Greaves | ORE CatapultRaul Prieto, Paul McKeever, Cornelis van Beveren, Robert Dominy, Grant Ingram
C9 Assessment of fatigue load alleviation potential through blade trailing edge morphingDimitris Manolas | NTUATheofanis Tsiantas, Theodore Machairas, Anargyros Karakalas, Vasilis A� Riziotis, Dimitrios Saravanos, Spyros Voutsinas
C10 Assessment of synthetic winds through spectral modelling and validation using FASTAbhijit Chougule | University of AgderSurya Kandukuri, Hans Georg Beyer
C11 Effect of Turbulence on Power for Bend-Twist Coupled BladesAlexander Stäblein | DTUMorten H� Hansen
C12 Simulating the dynamic behavior of a vertical axis wind turbine operating in unsteady conditionsEnrico Benini | University of TrentoLorenzo Battisti, Marco Raciti Castelli, Alessandra Brighenti, Giuseppe Soraperra
68
Wed
nes
day
E. Design and Systems Engineering
E1 Yawing characteristics during slippage of the nacelle of a multi MW wind turbineMoo-Gyn Manuel Kim | Hamburg University of Applied SciencesPeter Dalhoff, Peter Gust
E2 Impact of Wind Turbine Yaw misalignment on the Loads and Wind Farm Levelized Cost of EnergyMike van Dijk | TU DelftJan-Willem van Wingerden, Turaj Ashuri, Yaoyu Li, Mario Rotea
E3 Roadmap to the multidisciplinary design, analysis and optimisa-tion of wind energy systemsSebastian Sanchez Perez-Moreno | TU DelftMichiel Bastiaan Zaayer, Carlo L� Bottasso, Frederik Zahle, Gerardus Joseph Wilhelmus van Bussel, Katherine Dykes, Karl Otto Merz, Pierre-Elouan Réthoré, Sebastian Sanchez Perez-Moreno
E4 Optimization under Uncertainty of Site-Specific Turbine ConfigurationsKatherine Dykes | NRELJulian Quick, Fredrik Zahle, Peter Grad
E5 Analysis of different blade architectures on VAWT performanceLorenzo Battisti | University of TrentoMarco Raciti Castelli, Enrico Benini, Alessandra Brighenti
E. Design and Systems Engineering
69
Wed
nesd
ay
G. Modeling and Simulation Technology
G2 Determining Diffuser Augmented Wind Turbine performance using a combined CFD/BEM methodJoss Kesby | The University of Newcastle, AustraliaPhilip Clausen, David Bradney, Mu Chu
G3 Analysis of Dynamic Interactions between Different Drivetrain Components in a Detailed Wind Turbine ModelArne Bartschat | Fraunhofer IWESMarcel Morisse, Axel Mertens, Jan Wenske
G4 Comparison of computational modelling and field testing of a small wind turbine operating in unsteady flowsSamuel Evans | The University of Newcastle, AustraliaDavid Bradney, Philip Clausen, Mariana Salles Pereira Da Costa
G5 Derivation and analysis of the analytical velocity and vortex stretching expressions for an O(N logN)-FMMTom Berdowski | TU DelftJens Walther, Carlos Ferreira, Fanzhong Meng
G6 CFD modeling of a large dimension WF cluster using precursor inlet conditionJosé M.L.M. Palma | University of Porto, Faculty of EngineeringVitor Gomes
G7 Calibration of the γ−Equation Transition Model for High Reynolds Flows at Low MachSimone Colonia | University of GlasgowVladimir Leble, Rene Steijl, George Barakos
G8 Wake modeling in complex terrain using a hybrid Eulerian-Lagrangian approachFranz Georg Fuchs | SINTEFMandar Tabib, Adil Rasheed, Eivind Fonn
G. Modeling and Simulation Technology
70
Wed
nes
day
G. Modeling and Simulation Technology
G9 Coupling of electromagnetic and structural dynamics for a wind turbine generatorDaniel Matzke | RWTH AachenSebastian Hollas, Ralf Schelenz, Georg Jacobs, Sebastian Rick, Kay Hameyer
G10 Floating substructure flexibility of large-volume 10MW offshore wind turbine platformsMichael Borg | DTUAnders Melchior Hansen, Henrik Bredmose
G11 Modelling of Vortex-Induced Loading on a Single-Blade Installa-tion SetupWitold Skrzypiński | DTUMac Gaunaa, Joachim Christian Heinz
G12 Numerical simulations of the NREL s826 airfoilKristian Sagmo | NTNULars Roar Sætran, Jan Michael Simon Bartl
G13 Modeling the transient aerodynamic effects during the motion of a flexible trailing edgeTorben Wolff | ForWind - Leibniz Universität HannoverJoerg R� Seume
G15 Modelling Horns Rev wind farm with the Actuator Line Model with coarse resolutionMartín Draper | Universidad de la RepúblicaAndrés Guggeri, Gabriel Usera
71
Wed
nesd
ay
G. Modeling and Simulation Technology
G17 Modelling flows within forested areas using the k-epsilon RaNS modelJosé M.L.M. Palma | University of Porto, Faculty of EngineeringJoao Viana Lopes, Alexandre Silva Lopes
G18 Reliability of numerical wind tunnels for VAWT simulationMarco Raciti Castelli | University of PadovaMassimo Masi, Lorenzo Battisti, Enrico Benini, Alessandra Brighenti, Vincenzo Dossena, Giacomo Persico
G19 Enhanced method for multi-scale wind simulations over complex terrain for wind resource assessmentAlex Flores-Maradiaga | Technical University Federico Santa MariaRobert Benoit, Christian Masson
72
Wed
nes
day
I. New Concepts and Configurations
Building0
Building1
Building2
CoffeeShop MW
1134
MW1237
Niemann HallMW 0001
Diesel HallMW 2001
I1 Fluid-Structure interaction analysis and performance evaluation of a membrane bladeMehran Saeedi | TUMRoland Wüchner, Kai-Uwe Bletzinger
I2 CFD Analysis of a Finite Linear Array of Savonius Wind TurbinesMarius Paraschivoiu | Concordia UniversityBelabes Belkacem
I3 Numerical Study on the Effect of Swept Blade on the Aerodynamic Performance of Wind Turbine at High Tip Speed RatioHua Yang | Yangzhou UniversityFeng Wang, Hongmei Zuo, Chao Liu
I4 Evaluation of an Integrated Roof Wind Energy System for urban environmentsDiana Kiss | IBIS PowerBalkrishna Patankar, Ramavtar Tyagi, Alexander B� Suma
I. New Concepts and Configurations
Poster Session 2
Thursday
74
Th
urs
day
B. Wind, Wakes, Turbulence and Wind Farms
B1 Wind-tunnel modeling of the tip speed ratio influence on the near wake evolutionVictor Stein | TUMHans-Jakob Kaltenbach
B2 Large Eddy Simulation for Atmospheric Boundary Layer Flows over Flat and Complex TerrainsJonathan Naughton | University of WyomingYi Han, Michael Stoellinger
B3 Analysis of Turbulent Coherent Structures in a Flow Over an Es-carpment using Proper Orthogonal DecompositionHoria Hangan | Western UniversityRyan Kilpatrick, Kamran Siddiqui
B4 Investigating Coherent Structures in the Standard Turbulence Models using Proper Orthogonal DecompositionLene Eliassen | NTNUSøren Andersen
B5 CFD modelling approaches against single wind turbine wake measurements using RANSNikolaos Stergiannis | Vrije Universiteit BrusselChris Lacor, Jeroen van Beeck, Rory Donnelly
B6 Turbulence Impact on Wind Turbines: Experimental investigations on a wind turbine modelYoujin Kim | SGBAli Al-Abadi, Özgür Ertunç, Antonio Delgado
B7 An analysis of offshore wind farm SCADA measurements to identi-fy key parameters influencing the magnitude of wake effectsNiko Mittelmeier | SenvionTomas Blodau, Gerald Steinfeld, Andreas Rott, Martin Kühn
B. Wind, Wakes, Turbulence and Wind Farms
75
Th
ursd
ay
B. Wind, Wakes, Turbulence and Wind Farms
B8 PIV measurements in a real time controlled wind turbine wake simulatorSuhas Pol | Texas Tech UniveristyYeqin Wang, Travis Monk, Stephanie Vasquez, Andy Swift, Fazle Hussain, Casrten Westergaard, Beibei Ren
B10 Calculating the sensitivity of wind turbine loads to wind inputs using response surfacesJennifer Rinker | DTU
B11 Probability density function selection based on the characteris-tics of wind speed dataNurseda Yildirim Yurusen | CIRCE - University of ZaragozaJulio J� Melero
B12 Wind turbine wake structure in forest and neutral plane wall boundary layer large-eddy simulationsJosef Schröttle | German Aerospace Center DLRZbigniew Piotrowski, Antonia Englberger, Andreas Dörnbrack, Thomas Gerz
B13 Transient growth of perturbations in a vortex ringFei Chen | GoldWindDaniel Wacks, Daniel Cabezon, Xuerui Mao, Bofu Wang
B14 IEA Wind Task 36 ForecastingGregor Giebel | DTUJoel Cline, Helmut Frank, William Shaw, Pierre Pinson, Bri-Mathias Hodge, George Kariniotakis, Jens Madsen
B15 The Collection of The Main Issues for Wind Farm Optimisation in Complex TerrainChang Xu | Hohai UniversityWenzhong Shen
76
Th
urs
day
B. Wind, Wakes, Turbulence and Wind Farms
B16 Turbulence influence on optimum tip speed ratio for a 200 kW vertical axis wind turbineErik Möllerström | Halmstad UniversitySandra Eriksson, Anders Goude, Fredric Ottermo, Jonny Hylander
B17 Two-scale momentum theory for very large wind farmsTakafumi Nishino | Cranfield University
B18 Effects of ambient turbulence on the near wake of a wind turbineYusik Kim | University of StuttgartEva Jost, Galih Bangga, Pascal Weihing, Thorsten Lutz
B19 Validation of buoyancy driven spectral tensor model using HATS dataAbhijit Chougule | University of AgderJakob Mann, Mark Kelly, Gunner Larsen
B20 Wake redirection: comparison of analytical, numerical and exper-imental modelsJiangang Wang | TUMCarlo L� Bottasso, Filippo Campagnolo
B21 Wake center position tracking using downstream wind turbine hub loadsStefano Cacciola | Politecnico di MilanoMarta Bertelè, Johannes Schreiber, Carlo L� Bottasso
B22 Identification and quantification of vortical structures in wind turbine wakes for operational wake modelingYves Marichal | WaPT - Wake Prediction TechnologiesIvan De Visscher, Philippe Chatelain, Grégoire Winckelmans
77
Th
ursd
ay
B. Wind, Wakes, Turbulence and Wind Farms
B23 Rotor performance and wake conditions in non-uniform flow behind an obstacleRobert Mikkelsen | DTUIvan Kabardin, Valery Okulov, Jens Sørensen, Igor Naumov
B24 Multi-fidelity wake modeling based on Co-kriging methodYimei Wang | North China Electric Power UniversityPierre-Elouan Réthoré, Paul van der Laan, Juan Pablo Murcia Leon, Yongqian Liu, Li Li
B25 Defining wake characteristics from scanning and vertically point-ing full-scale lidar measurementsRebecca J. Barthelmie | Cornell UniversityPaula Doubrawa, Hui Wang, SC Pryor
B26 A numerical study on the flow upstream of a wind turbine in complex terrainAlexander Raul Meyer Forsting | DTU Wind EnergyAndreas Bechmann, Niels Troldborg
B27 Analyzing complex wake terrain interactions and its implications on wind-farm performanceMandar Tabib | SINTEFAdil Rasheed, Franz Fuchs
B28 Wind turbine rotor simulation using the actuator disk and actua-tor line methodsJohn Prospathopoulos | NTUAMichail Tzimas
B29 Experimental testing of axial induction based control strategies for wake control and wind farm optimizationJan Bartl | NTNULars Sætran
78
Th
urs
day
B. Wind, Wakes, Turbulence and Wind Farms
B30 An analytical model for a full wind turbine wakePeter Clive | SgurrEnergy LtdPablo Olmos, Hannah Ferchland, Aidan Keane, Daniel Gallacher
B31 LES of wind farm response to transient scenarios using a high fidelity actuator disk modelMaud Moens | Université catholique de LouvainMatthieu Duponcheel, Grégoire Winckelmans, Philippe Chatelain
B32 Spatial correlation of atmospheric wind at scales relevant for large scale wind turbinesLars Morten Bardal | NTNULars Roar Sætran
B33 Comparison of the far wake behind dual rotor and dual disk configurationsJens Nørkær Sørensen | DTU Wind EnergyRobert F� Mikkelsen, Igor V� Naumov, Ivan V� Litvinov, Liza Gesheva, Okulov Valery
B34 Numerical Analysis of NREL 5MW Wind Turbine: A Study Towards a Better Understanding of Wake Dynamics and Torque Generation MechanismMuhammad Salman Siddiqui | NTNUAdil Rasheed, Mandar Tabib, Trond Kvamsdal
B35 Numerical study of how stable stratification affects turbulence instabilities above a forest cover: application to wind energyAshvinkumar Chaudhari | Lappeenranta University of TechnologyBoris Conan, Sandrine Aubrun, Antti Hellsten
B36 Estimation of annual energy production using dynamic wake meandering in combination with ambient CFD solutionsSeonghyeon Hahn | Vestas Wind Systems A/SEwan Machefaux, Yavor Hristov, Marco Albano,Robert Threadgill
79
Th
ursd
ay
D. Control and Supporting Technologies
Building0
Building1
Building2
CoffeeShop MW
1134
MW1237
Niemann HallMW 0001
Diesel HallMW 2001
D1 Fatigue minimising power reference control of a de-rated wind farmTom Nørgaard Jensen | Aalborg UniversityTorben Knudsen, Thomas Bak
D2 Computationally Efficient Kalman Filtering for the Medium-Fidelity Flow Model 'WindFarmSimulator'Bart Doekemeijer | TU DelftJan-Willem van Wingerden, Sjoerd Boersma, Lucy Pao
D3 Model Predictive Wind Turbine Control for Load Alleviation and Power LevelingUwe Jassmann | RWTH Aachen UniversitySebastian Dickler, János Zierath, Mathias Hakenberg, Dirk Abel
D4 Balancing rotor speed regulation and drive train loads of floating wind turbinesBoris Fischer | Fraunhofer IWESPeter Loepelmann
D5 Stability Analysis of a Single-Input/Two-Output, Variable Loop Transmission System for Wind Turbine ControlYelena O'Brien | University of WyomingJohn O'Brien
D6 Multi-objective Extremum Seeking Control for Enhancement of Wind Power Capture with Load ReductionYaoyu Li | University of Texas at DallasYan Xiao, Mario Rotea
D7 Statistical fault diagnosis of wind turbine drivetrain applied to a 5MW floating wind turbineMahdi Ghane | NTNUAmir Rasekhi Nejad, Mogens Blanke, Torgeir Moan,Zhen Gao
D. Control and Supporting Technologies
80
Th
urs
day
D. Control and Supporting Technologies
Building0
Building1
Building2
CoffeeShop MW
1134
MW1237
Niemann HallMW 0001
Diesel HallMW 2001
D8 The design of nonlinear observers for wind turbine dynamic state and parameter estimationBastian Ritter | TU DarmstadtAxel Schild, Matthias Feldt, Ulrich Konigorski
D9 Controller design for wind turbine load reduction via Multi Objec-tive Parameter Synthesis (MOPS)Arndt Hoffmann | German Aerospace Centre DLRFelix Weiß
D10 Direct Torque Control of a Small Wind Turbine with a Slid-ing-mode Speed ControllerJagath Senanayaka | University of AgderHamid Reza Karimi, Kjell Gunnar Robbersmyr
D11 Design of Linear Control System for Wind Turbine Blade Fatigue TestingTorben Knudsen | Aalborg UniversityAnders Toft, Bjarke Roe-Poulsen, Rasmus Christiansen
D12 PI Controller Design of a Wind Turbine using Constrained OptimizationMahmood Mirzaei | DTUCarlo Tibaldi, Morten H� Hansen
D13 Iterative tuning of feedforward IPC for two-bladed wind turbinesSebastiaan Mulders | TU Delft
D14 Uncertainty Quantification for Robust Control of Wind Turbines using Sliding-Mode ObserverHorst Schulte | University of Applied Sciences Berlin
81
Th
ursd
ay
D. Control and Supporting Technologies
Building0
Building1
Building2
CoffeeShop MW
1134
MW1237
Niemann HallMW 0001
Diesel HallMW 2001
D15 Tower Based Load Measurements for Individual Pitch Control and Tower Damping of Wind TurbinesOscar Hugues-Salas | DNV GLAvishek Kumar, William Keogh, Barbara Savini
D16 Automatic weight determination in nonlinear model predictive control of wind turbines using swarm optimization techniqueElham Tofighi | University of Newcastle, AustraliaAmin Mahdizadeh
D17 On the functional design of the DTU 10 MW wind turbine scale model within LIFES50+ projectMarco Belloli | Politecnico di MilanoIlmas Bayati, Hermes Giberti, Luca Bernini, Enrico Fiore, Alberto Zasso
D18 Tailoring the Employment of Offshore Wind Turbine Support Structure Load Mitigation ControllersBinita Shrestha | ForWind - University of OldenburgRasoul Shirzadeh, Martin Kühn
82
Th
urs
day
F. Measurement, Monitoring and Experimental Techniques
F1 Improving the Accuracy of Wind Turbine Power Curve Validation by the Rotor Equivalent Wind Speed ConceptFrank Scheurich | Siemens Wind PowerPeder B� Enevoldsen, Henrik N� Paulsen, Kristoffer K� Dickow, Moritz Fiedel, Alex Loeven, Ioannis Antoniou
F2 Design and implementation of a controllable model wind turbine for experimental studiesJannik Schottler | ForWind - University of OldenburgAgnieszka Hölling, Joachim Peinke, Michael Hölling
F3 Fast Ice Detection for wind turbine blades via the Langevin equationHaijun Fang | Envision EnergyLinpeng Wang
F4 A new motion compensation algorithm of floating lidar system for the assessment of turbulence intensityAtsushi Yamaguchi | The University of TokyoTakeshi Ishihara
F5 Performance tests of a power-electronics converter for multi-megawatt wind turbines using a grid emulatorNurhan Rizqy Averous | RWTH AachenAnica Berthold, Alexander Schneider, Franz Schwimmbeck, Rik W� De Doncker, Antonello Monti
F6 Spatial-temporal analysis of coherent offshore wind field struc-tures measured by scanning Doppler-lidarLaura Valldecabres Sanmartin | ForWind - University of OldenburgMartin Kühn, Lüder von Bremen, Wilm Friedrichs
F. Measurement, Monitoring and Experimental Techniques
83
Th
ursd
ay
F. Measurement, Monitoring and Experimental Techniques
F7 Estimation of rotor effective wind speeds using autoregressive models with LidarAshim Giyanani | TU DelftFeike Savenije, Wim Bierbooms, Gerard van Bussel
F8 Fatigue life on a full scale test rig: Forged vs. cast wind turbine rotor shaftsJenni Herrmann | Hamburg University of Applied SciencesThes Rauert, Peter Dalhoff, Manuela Sander
F9 Optimal Sensor Placement for Modal Testing on Wind TurbinesAndreas Schulze | Universität RostockJános Zierath, Sven-Erik Rosenow, Reik Bockhahn, Roman Rachholz, Christoph Woernle
F10 Finding the ideal strategy: Full-scale fatigue testing of wind turbine rotor shaftsThes Rauert | Hamburg University of Applied SciencesJenni Herrmann, Peter Dalhoff, Manuela Sander
F11 SCADA alarms processing for wind turbine component failure detectionElena Gonzalez | CIRCE - University of ZaragozaMaik D� Reder, Julio Javier Melero
F12 Wind Turbine Failures - Tackling current Problems in Failure Data AnalysisMaik D. Reder | CIRCE - University of ZaragozaElena Gonzalez, Julio Javier Melero
F13 Experimental airfoil characterization under tailored turbulent conditionsHendrik Heißelmann | ForWind - University of OldenburgJoachim Peinke, Michael Hölling
84
Th
urs
day
F. Measurement, Monitoring and Experimental Techniques
F14 Wireless monitoring of structural components of wind turbines including tower and foundationsBernhard Wondra | TUMMax Botz, Christian Grosse
F15 The effect of wakes on the fatigue damage of wind turbine components over their entire lifetime using short-term load measurementsSarah Karlina-Barber | Fraunhofer IWESSebastian Mechler, Marco Lutz
F16 A finite difference approach to despiking in-stationary lidar velocity dataAlexander Raul Meyer Forsting | DTU Wind EnergyNiels Troldborg
F17 Full load estimation of an offshore wind turbine based on SCADA and accelerometer dataNymfa Noppe | Vrije Universiteit BrusselAlexandros Iliopoulos, Wout Weijtjens, Christof Devriendt
F18 Dynamics of the interaction between the rotor and the induction zoneMahmood Mirzaei | DTUAlexander R� Meyer Forsting, Niels Troldborg
F19 The use of long term monitoring data for the extension of the service duration of existing wind turbines support structuresChristophe Loraux | EPFLEugen Brühwiler
85
Th
ursd
ay
H. Offshore Wind Energy
H1 Exploring the wakes of large offshore wind farmsStefan Emeis | Karlsruhe Institute of TechnologyAstrid Lampert, Jens Bange, Johannes Schulz-Stellenfleth, Thomas Neumann
H2 Model-based fault diagnosis of blade pitch system in floating wind turbinesSeongpil Cho | NTNUZhen Gao, Torgeir Moan
H3 Offshore wind turbine foundation monitoring, extrapolating fatigue measurements from fleet leaders to the entire wind farmWout Weijtjens | Vrije Universiteit BrusselNymfa Noppe, Tim Verbelen, Alexandros Iliopoulos, Christof Devriendt
H4 Assessment of weather downtime for the construction of off-shore wind farm by using wind and wave simulationsYuka Kikuchi | The University of TokyoTakeshi Ishihara
H5 Integrated Layout and Support Structure Optimization for Off-shore Wind Farm DesignTuraj Ashuri | The University of Texas at DallasChandra Varma Ponnurangam, Jie Zhang, Mario Rotea
H6 Dynamic Effects of Anchor Positional Tolerance on Tension Moored Floating Wind TurbineChristopher Wright | UCCVikram Pakrashi, Jimmy Murphy
H. Offshore Wind Energy
86
Th
urs
day
H. Offshore Wind Energy
H7 Design and performance analysis of control algorithm for a float-ing wind turbine on a large semi-submersible platformKwansu Kim | Kangwon National UniversityHyun-Gyu Kim, Joong-Hyeok Lee, Seock-Hyun Kim, Byeong-Hee Kim, Insu Paek
H8 An Experimental Study on the Effects of Base Motions on the Aeromechanic Performance of Floating Wind TurbinesHui Hu | Iowa State UniversityMorteza Khosravi
H9 Description of an 8 MW reference wind turbineChristopher Wright | University College CorkCian Desmond, Jimmy Murphy, Lindert Blonk, Wouter Haans
87
Th
ursd
ay
J. Drive Trains, Generator Technology and Grids
J1 Comparing the Brushless DFIM to other Generator Systems for Wind Turbine Drive-TrainsHenk Polinder | TU DelftUdai Shipurkar, Jan Ferreira
J2 Non-ideal feedforward torque control of wind turbines: Impacts on annual energy production and gross earningsKorbinian Schechner | TUMChristoph Hackl
J3 Encoderless Model Predictive Control of Doubly-Fed Induction Generators in Variable-Speed Wind Turbine SystemsMohamed Abdelrahem | TUMChristoph Hackl, Ralph Kennel
J4 Analyzing wind turbine flow interaction through vibration and SCADA data.Francesco Castellani | University of PerugiaGianluca D'Elia, Davide Astolfi, Emiliano Mucchi, Giorgio Dalpiaz, Ludovico Terzi
J5 Comparison of Life Calculations for Oscillating Bearings Consid-ering Individual Pitch Control in Wind TurbinesFabian Schwack | Leibniz Universität HannoverMatthias Stammler, Gerhard Poll, Andreas Reuter
J6 Drivetrain load effects in a 5 MW bottom-fixed wind turbine under blade-pitch fault condition and emergency shutdownAmir R. Nejad | NTNUZhiyu Jiang, Zhen Gao, Torgeir Moan
J7 Statistical study of the effect of wind characteristics on wind turbine main shaft loadingsSho Oh | ClassNK
J. Drive Trains, Generator Technology and Grids
88
Th
urs
day
J. Drive Trains, Generator Technology and Grids
J8 Speed and Torque Control Strategies for Loss Reduction of Verti-cal Axis Wind TurbinesMichael Argent | University of StrathclydeAlasdair McDonald, Bill Leithead, Alexander Giles
J9 Efficient operation of anisotropic synchronous machines for wind energy systemsJulian Kullick | TUMChristoph Hackl, Hisham Eldeeb
J10 Variation of Extreme and Fatigue Design Loads on the Main Bear-ing of a Front Mounted Direct Drive SystemAsger Bech Abrahamsen | DTUAnand Natarajan
Index
90
Index of Presenting Authors
AAbdelrahem 87Abrahamsen 88Agafonova 35Andersen 43Aparicio 30Argent 88Ashuri 85Astolfi 34Aubrun 47Averous 82
BBak 52, 65Baldacchino 56, 61, 65Baleriola 40Bangga 61Bardal 78Barenhorst 49Barlas, A� 53, 63Barlas, E� 46Barthelmie 77Bartl 77Bartschat 69Battisti 68Bayati 36Beardsell 53Belloli 81Benini 67Berdowski 39, 69Bernini 64Berroth 49Bertelè 40Bilal 30Blondel 61Boersma 31
Boorsma 46, 62Borg 70Borisade 36Bortolotti 54Bos 66Bossuyt 45Braud 63Burmester 30
CCacciola 41, 76Campagnolo 31Castellani 87Chatelain 39Chaudhari 78Chen, F� 75Chen, X� 53Cheng, P�W� 36Cheng, Z� 28Cheung 43Cho 85Chougule 67, 76Churchfield 39Clive 78Collier 38Colonia 69Croce 54
DDavoust 45Debertshaeuser 63Deiterding 26Delafin 60de Oliveira 42de Vaal 53Dimitrov 43
Doekemeijer 79Dollinger 41Dose 64Doubrawa 26Draper 26, 70Dykes 32, 68
EEliassen 74Emeis 85Evans 66, 69
FFang, H� 82Fang, J� 34Fechner 28Feng 31Fischer, A� 62Fischer, B� 79Fleming 44Flores-Maradiaga 71Fluck 30Frère 64Fuchs 69
GGaunaa 42Gayle Nygaard 27Gebraad 44Ghadirian 32Ghane 79Giebel 75Giyanani 83Goeltenbott 62Gonzalez 83Grasso 46
91
Greaves 67Griffith 28Guillemin 48
HHahn 78Hancock 47Hangan 74Hansen, K�S� 35Hansen, M� 63Heißelmann 83Herrmann 83Hoffmann 80Hu 86Hugues-Salas 81
JJarquin Laguna 28Jassmann 79Johnson 41Jonkman 38Jost 52
KKandukuri 40Karlina-Barber 84Kesby 69Kiefer 61Kikuchi 85Kim, H� 31Kim, K� 86Kim, M�-G� 68Kim, Youjin 74Kim, Yusik 76Kiss 72Klein 52
Kleusberg 26Knudsen 80Kragh 57Kress 42Kullick 88
LLarsen 43Larwood 60Leble 60Lee Slew 28Lemmer 36Lennie 38Leroy 52Li 79Loraux 84Luczak 57Luhmann 38Lutz 35
MManiaci 52Mann 34Manolas 67Manolesos 56Marichal 76Martinez 26Matzke 70Mendoza 63Meyer Forsting 77, 84Micallef 62Mikkelsen 77Miller, Mark 47Miller, Michael 61Mirzaei 31, 80, 84Mittelmeier 74
Moens 78Möllerström 76Montinari 28Morisse 49Mühle 27Mulders 80Munduate 62, 64Munters 44
NNaughton 65, 74Nejad 87Newman 45Nishino 76Njomo Wandji 66Noever Castelos 58Noppe 84Nørgaard Jensen 79
OO’Brien 79Oggiano 63Oh 87Olondriz 40Ostovan 52
PPadron 43Pagitsch 41Palma 69, 71Paraschivoiu 72Pavese 54Pegalajar-Jurado 36Pirrera 53Pirrung 57Pol 75
92
Polinder 87Prospathopoulos 77
QQuaranta 27
RRaach 44Raciti Castelli 71Rahimi 30Rauert 83Recalde 40Reder 83Réthoré 58Rinker 75Ritter 80Riva 67Rival 47Riziotis 57Rogowski 60Rossander 66
SSaeedi 72Sagmo 70Sanchez Perez-Moreno 68
Sant 62Sanz Rodrigo 43Sarmast 39Sartori 54Saverin 38Sayed 57Schechner 87Schepers 56Scheurich 82
Schlipf 48Schløer 32Schmitz 62Schneider 30Schottler 82Schramm 60Schreiber 31Schröttle 75Schulte 80Schulz 34Schulze 83Schwack 87Senanayaka 80Sessarego 66Seyr 32Shaafi Mohamed 32Shapiro 44Shen 42, 64Shrestha 81Siddiqui 78Simao Ferreira 56Simisiroglou 39Singh 46Skrzypiński 70Snel 45Sørensen, J� 42, 78Sørensen, N� 56, 63Stäblein 67Stein 74Stergiannis 74Stettner 66
TTabatabaei 65Tabib 77Tautz-Weinert 41
Thönnißen 60Tofighi 81Torben 41Trabucchi 39Troldborg 61Tuncer 46
VVali 44Valldecabres Sanmartin 82
van der Laan 27van der Valk 40van Dijk 68van Dooren 45van Kuik 42van Wingerden 53Veiga Rodrigues 35Verelst 45Vitsas 26
WWang, J� 76Wang, L� 54Wang, Y� 77Warnock 49Weijtjens 85Winstroth 64Wolff 70Wondra 84Wortmann 48Wright 85, 86
XXu, B� 60Xu, C� 75
Index of Presenting Authors
93
YYamaguchi 82Yang, H� 72Yang, S�J� 64Yazicioglu 27Yildirim Yurusen 75
ZZahle 54Zhang 38Zhu 61Ziegler 32
94
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